package com.cn.wanxi.util;

public class DataType {
    public static void main(String[] args) {
        byte b = 1;
        short s = 2;
        int i = 3;
        double d = 4;
        System.out.println(b);
        char c = '洪';
        i = c;
        System.out.println(i);
    }
}
